Finding the Fourth Proportional to 530,542.08, 732,199.68 and 396,172.80
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Solution
The fourth proportional to 530,542.08, 732,199.68 and 396,172.80 is: 546,757.00
Step by Step Solution
- Step 1: Write the proportion equation
530,542.08 : 732,199.68 = 396,172.80 : x - Step 2: Convert to fraction form
530,542.08/732,199.68 = 396,172.80/x - Step 3: Cross multiply
530,542.08x = 732,199.68 × 396,172.80 - Step 4: Simplify right side
530,542.08x = 290,077,597,384.70 - Step 5: Solve for x
x = 290,077,597,384.70/530,542.08 - Step 6: Final answer
x = 546,757.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.